CNBC's MacKenzie Sigalos reports on Google's latest smart home devices, its AI revamp and how AI is leveling up smart home assistants.

Google has unveiled a major overhaul of its smart home devices, introducing its Gemini AI model to products such as Nest cameras and smart speakers. This update replaces the previous Google Assistant, redesigns the home app, and launches an upgraded line of Nest hardware, aiming to make devices more responsive and conversational.

The move positions Google in direct competition with Amazon, which recently updated its Alexa-powered devices. Both companies are now integrating large language models to enhance voice assistants, shifting from simple command tools to more intuitive, context-aware interfaces. The update also raises questions about privacy and ecosystem control as AI becomes more deeply embedded in home technology.

Google revamps smart home devices with Gemini AI

Google just announcing a major overhaul to its smart home systems, now using its AI expertise to bring the Gemini model into devices like Nest and smart speakers. Mackenzie Sagalos has the details in today's Tech Check as smart homes are back with AI. Yes, they are, Sarah. After a decade of stalled momentum, the smart home market is suddenly back in play. Google this morning announcing its biggest overhaul since 2016, swapping in Gemini to replace Assistant across smart speakers, redesigning the home app, and launching an upgraded line of Nest cameras and doorbells. It's the first time that Google's bringing its Gen AI tech into the home, transforming once-passive hardware into devices that respond more naturally. And it comes one day after Amazon unveiled new home hardware with Alexa Plus integration, which landed with more of a whimper than a bang. Still, both launches show just how much the voice assistant wars have evolved. Amazon and Google are bolting large language models onto their products, trying to turn voice from a simple command tool into a smarter, more intuitive interface for everything from smart homes to search. And for Google, voice is really becoming another way to tighten ecosystem lock-in across phones, homes, and everything in between. Amazon, still shut out of the mobile operating system race, is using Alexa and Echo as a backdoor play for platform relevance. Gene Munster telling me the home category really peaked around 2015. That's when voice assistants got better at understanding language, but not at doing much with it. Now, with Gemini, Google is betting that generative AI can finally deliver on its original promise, understanding context, not just commands, so that you can have a conversation with Gemini that will draw upon all these home inputs, like your Nest camera, to answer your question. And that experience really matters because this isn't just about what the hardware can do. It's about which company owns the layer you talk to. Guys? Cue the privacy concerns. Mackenzie, thank you.

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Washington

Government shutdown continues after Senate votes down resolutions

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Jerusalem

Middle East Conflict

Hamas under pressure as Trump issues deadline on Gaza peace plan

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Cebu

Dozens killed after 6.9-magnitude earthquake shakes Philippines

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U.S. government shuts down after lawmakers fail to reach funding deal

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Quantico

Hegseth gathers U.S. military leaders for rare, in-person meeting

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Folly Beach

Imelda becomes hurricane, threatens dangerous conditions on East Coast

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Caracas

Maduro ready to declare state of emergency over U.S. 'aggression'

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Bad Bunny to headline Super Bowl 2026 halftime show

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Hollywood

Global Tariffs

Trump says U.S. to impose 100% tariff on movies produced overseas

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Ukraine Invasion

Washington might send Tomahawk missiles to Ukraine, Vance says

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Grand Blanc

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Tel Aviv-Yafo

Hamas says it lost contact with two hostages in Gaza City siege

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Tehran

Iran parliament slams reimposed UN sanctions as 'illegal'

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Kyiv

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Tamil Nadu

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Beirut

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Manhattan

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Dallas

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Globe

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Karur

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Zaporizhzhia

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Breakdown